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Elcometer 309 Temperature Differential Hygrometer
Elcometer 309 Temperature Differential Hygrometer
The Elcometer 309 Temperature Differential Hygrometer is a compact and highly accurate instrument designed for measuring and monitoring environmental conditions, including air temperature, relative humidity, and surface temperature. This device is essential for ensuring optimal conditions during coating and painting processes, preventing issues related to improper curing and adhesion.
The Elcometer 309 Temperature Differential Hygrometer operates by using integrated sensors to measure air temperature, surface temperature, and relative humidity. The device calculates the temperature differential (ΔT) from the measured air and surface temperatures. This information is critical for determining the suitability of conditions for coating applications, ensuring that the surface temperature is sufficiently above the dew point to prevent condensation.
The Elcometer 309 Temperature Differential Hygrometer is an invaluable tool for professionals in the coating and painting industries, helping to ensure that environmental conditions are optimal for high-quality and long-lasting applications.
Elcometer 309 Key Features
Elcometer 309 Specifications
| Device weight | 190 g |
| Dimensions | 160 x 75 x 30 mm |
| Display | 2.2” LCD with LED backlight |
| Power supply | 2 x AA batteries |
| Battery life | Approximately 100 hours continuous use |
| Measurement range (Relative Humidity) | 0% to 100% RH |
| Measurement range (Air Temperature) | -10°C to +50°C |
| Measurement range (Surface Temperature) | -10°C to +50°C |
| Temperature Differential (ΔT) Range | 0°C to +50°C |
| Accuracy (Relative Humidity) | ±2% RH |
| Accuracy (Temperature) | ±0.5°C |
| Operating temperature | -10°C to +50°C |
| Storage temperature | -20°C to +70°C |